@Book{sitereport_100639,
 author = "大分市教育委員会, ",
 title = "国指定史跡古宮古墳保存修理事業報告書",
 volume = "",
 publisher = "大分市教育委員会",
 year = 1996,
 series = "",
 number = "",
 url = https://sitereports.nabunken.go.jp/100639,
 }